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MB90860A

16-bit Proprietary Microcontroller

Fujitsu 

MB90860A Series

s PIN DESCRIPTION

Pin No.

LQFP100*2 QFP100*1

Pin name

Circuit

type

Function

90

92

91

93

X1

Oscillation output

A

X0

Oscillation input

52

54

RST

E Reset input

General purpose I/O. The register can be set to select whether

P00 to P07

to use a pull-up resistor. This function is enabled in single-chip

mode.

75 to 82

77 to 84

AD00 to AD07

G

I/O pins for 8 lower bits of the external address/data bus.

This function is enabled when the external bus is enabled.

INT8 to INT15

External interrupt request input pins for INT8 to INT15.

General purpose I/O. The register can be set to select whether

P10

to use a pull-up resistor. This function is enabled in single-chip

mode.

83

85

AD08

G I/O pin for bit 8 of the external address/data bus.

This function is enabled when the external bus is enabled.

TIN1

Event input pin for the reload timer 1

General purpose I/O. The register can be set to select whether

P11

to use a pull-up resistor. This function is enabled in single-chip

mode.

84

86

AD09

G I/O pin for bit 9 of the external address/data bus.

This function is enabled when the external bus is enabled.

TOT1

Output pin for the reload timer 1

General purpose I/O. The register can be set to select whether

P12

to use a pull-up resistor. This function is enabled in single-chip

mode.

85

87

AD10

N I/O pin for bit 10 of the external address/data bus.

This function is enabled when the external bus is enabled.

SIN3

Serial data input pin for UART3

INT11R

Sub external interrupt request input pin for INT11

General purpose I/O. The register can be set to select whether

P13

to use a pull-up resistor. This function is enabled in single-chip

mode.

86

88

AD11

G I/O pin for bit 11 of the external address/data bus.

This function is enabled when the external bus is enabled.

SOT3

Serial data output pin for UART3

General purpose I/O. The register can be set to select whether

P14

to use a pull-up resistor. This function is enabled in single-chip

mode.

87

89

AD12

G I/O pin for bit 12 of the external address/data bus.

This function is enabled when the external bus is enabled.

SCK3

Clock I/O pin for UART3

(Continued)

8

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